<template>
  <div>
    <h1>{{ id ? '编辑' : '新建' }}广告位</h1>
    <el-form label-width="100px" @submit.native.prevent="save">
      <el-form-item label="名称">
        <el-input v-model="model.name" class="input"></el-input>
      </el-form-item>
      <el-form-item label="广告">
        <el-button type="text" @click="model.content.push({})"
          ><i class="el-icon-plus"></i>添加广告</el-button
        >
        <el-row type="flex" style="flex-wrap:wrap">
          <el-col
            :span="24"
            v-for="(item, i) in model.content"
            :key="i"
            style="margin-bottom:10px;border-bottom:1px solid #ccc;"
          >
            <el-form-item label="链接地址">
              <el-input v-model="item.url"></el-input>
            </el-form-item>
            <el-form-item label="图片" style="margin-top:1rem">
              <el-upload
                class="avatar-uploader"
                :action="uploadUrl"
                :headers="getAuthHeader()"
                :show-file-list="false"
                :on-success="res => $set(item, 'image', res.url)"
              >
                <img v-if="item.image" :src="item.image" class="avatar" />
                <i v-else class="el-icon-plus avatar-uploader-icon"></i>
              </el-upload>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" native-type="submit">提交</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  props: {
    id: {}
  },
  data() {
    return {
      model: {
        content: []
      }
    }
  },
  methods: {
    async save() {
      var res
      if (this.id) {
        res = await this.$http.put(`rest/ads/${this.id}`, this.model)
      } else {
        res = await this.$http.post('rest/ads', this.model)
      }
      this.$router.push('/ads/list')
      this.$message({
        type: 'success',
        message: '操作成功'
      })
      console.log(res)
    },
    async fetch() {
      const res = await this.$http.get(`rest/ads/${this.id}`)
      this.model = Object.assign({}, this.model, res.data)
    }
  },
  created() {
    this.id && this.fetch()
  }
}
</script>

<style scoped>
.avatar-uploader-icon {
  width: auto;
  height: 6rem;
}
.avatar {
  width: auto;
  height: 6rem;
}
</style>
